Effects of vertical water-mixing against freshwater algal bloom [Peridinium bipes]
The vertical mixing of water within a water column by an underwater mixer to prevent freshwater algal bloom (freshwater red tide) by dinoglagellate, Peridinium bipes was studied at Tonoyama reservoir in the Kii Peninsula. A mesocosm was created by enclosing water of the reservoir with water-proof vi...
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| Veröffentlicht in: | NIPPON SUISAN GAKKAISHI 1996/01/15, Vol.62(1), pp.3-11 |
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| container_title | NIPPON SUISAN GAKKAISHI |
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| creator | Kishimoto, Y. (Japan NUS Co. Ltd., Tokyo) Hatamochi, K Maeda, H |
| description | The vertical mixing of water within a water column by an underwater mixer to prevent freshwater algal bloom (freshwater red tide) by dinoglagellate, Peridinium bipes was studied at Tonoyama reservoir in the Kii Peninsula. A mesocosm was created by enclosing water of the reservoir with water-proof vinyl sheet fences. Water conditions, such as water temperature and DO, were kept uniform throughout the mesocosm by the vertical water flow generated with the underwater mixer. In the summer of 1993, the usual large freshwater algal bloom did not appear in the reservoir due to the unusually cold temperature, high rainfall and repeated large volume discharges. We had to conduct this experiment at low P. bipes cell densities; however, a comparison of the cell density in the mixing area with those in the control area and outside of the mesocosm indicated a suppressed reproduction rate. |
| doi_str_mv | 10.2331/suisan.62.3 |
| format | Article |
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(Japan NUS Co. Ltd., Tokyo)</creatorcontrib><creatorcontrib>Hatamochi, K</creatorcontrib><creatorcontrib>Maeda, H</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Environment Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>NIPPON SUISAN GAKKAISHI</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kishimoto, Y. 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In the summer of 1993, the usual large freshwater algal bloom did not appear in the reservoir due to the unusually cold temperature, high rainfall and repeated large volume discharges. We had to conduct this experiment at low P. bipes cell densities; however, a comparison of the cell density in the mixing area with those in the control area and outside of the mesocosm indicated a suppressed reproduction rate.</abstract><cop>Tokyo</cop><pub>The Japanese Society of Fisheries Science</pub><doi>10.2331/suisan.62.3</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0021-5392 |
| ispartof | NIPPON SUISAN GAKKAISHI, 1996/01/15, Vol.62(1), pp.3-11 |
| issn | 0021-5392 1349-998X |
| language | eng ; jpn |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals; AgriKnowledge（アグリナレッジ）AGROLib |
| subjects | CONTROL DEL CRECIMIENTO CONTROLE DE CROISSANCE CORRIENTES DE AGUA COURANT D'EAU EMBALSES Freshwater GENIE HYDRAULIQUE GROWTH CONTROL HYDRAULIC ENGINEERING INGENIERIA HIDRAULICA PERIDINIUM Peridinium bipes PLANKTON BLOOMS PROLIFERACION DE PLANCTON PROLIFERATION PLANCTONIQUE RESERVOIR D'EAU WATER CURRENTS WATER RESERVOIRS |
| title | Effects of vertical water-mixing against freshwater algal bloom [Peridinium bipes] |
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